期刊
JOURNAL OF SANDWICH STRUCTURES & MATERIALS
卷 8, 期 4, 页码 343-357出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1099636206063501
关键词
sandwich panels; modal analysis; Mindlin plate vibrations
Axisymmetric and non-axisymmetric modes of vibration of circular sandwich panels are investigated by applying first-order shear theory (Mindlin-Reissner Plate). Solutions are obtained for boundary conditions with free, simply supported, and clamped edges. Numerical finite element method (FEM) simulation using ABAQUS is applied to validate the analytical modeling. Both analytical and numerical calculations are compared with experimental measurements of the first few modes of vibration; the frequency differences are less than 4%.
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